add the clocks and clock-names in DT property, gpmi-io clock is mandatory for all platforms, but some platforms, such as i.MX6Q may need more extra clocks for submodules. More details please refer to the SoC reference manual. Signed-off-by: Han Xu <han.xu@xxxxxxx> --- Documentation/devicetree/bindings/mtd/gpmi-nand.txt | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt index d02acaf..a2fd034 100644 --- a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt +++ b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt @@ -13,6 +13,13 @@ Required properties: and GPMI DMA channel ID. Refer to dma.txt and fsl-mxs-dma.txt for details. - dma-names: Must be "rx-tx". + - clocks : The clocks needed by the gpmi controller. This field varies + depends on the SoC design, "gpmi-io" is mandatory but some platforms may + need several extra clocks, such as i.MX6 series, which requires "gpmi_apb, + gpmi_bch, gpmi_bch_apb and per1_bch" for all submodules, while i.MX7 only + need gpmi_bch_apb. Please refer to the HW design manual. + - clock-names : the name of the clocks, please refer to the HW design + manual. Optional properties: - nand-on-flash-bbt: boolean to enable on flash bbt option if not @@ -51,6 +58,8 @@ gpmi-nand@8000c000 { interrupt-names = "bch"; dmas = <&dma_apbh 4>; dma-names = "rx-tx"; + clocks = <&clks 50>,; + clock-names = "gpmi_io"; partition@0 { ... -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html